Description
When your International Harvester starts losing compression or sounds like it’s breathing heavy, the valvetrain is usually trying to tell you something. Worn valves, tired springs, and loose guides let compression escape and air sneak in where it shouldn’t, robbing your tractor of the power it needs to pull through tough field conditions. This valve overhaul kit gets everything sealed up tight so you can get back to reliable operation.
What You’re Getting
- Complete set of intake and exhaust valves that seal properly and handle the heat of hard work
- Heavy-duty valve springs engineered to maintain proper tension through thousands of cycles
- Precision valve guides that keep everything aligned for smooth operation
- Valve keys (keepers) that lock the whole system together securely
Built for Real Farm Work
This kit is designed specifically for International Harvester 6-cylinder gas engines—the workhorses that powered everything from cultivating corn to pulling heavy implements across the field. These engines were built to run all day, and when properly maintained with quality parts, they’ll keep delivering the reliable power your operation depends on.
Made to Last
Farm engines take a beating with constant temperature cycles, dust, and long hours under load. These valve train components are manufactured to handle the punishment, using materials that resist wear and maintain their seal even after seasons of hard use. The valve guides are machined to precise tolerances to prevent oil burning and maintain compression.
Good to Know
This is a complete valve rebuild, so you’ll want to have the head work done by a machine shop while you’re at it—surface the head, check for cracks, and lap the valves to ensure proper seating. It’s also a good time to check valve clearances and adjust if needed. Keep the old parts as cores if your rebuilder takes trade-ins.
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